CN213054623U - Neck round nut tool - Google Patents
Neck round nut tool Download PDFInfo
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- CN213054623U CN213054623U CN202021075683.4U CN202021075683U CN213054623U CN 213054623 U CN213054623 U CN 213054623U CN 202021075683 U CN202021075683 U CN 202021075683U CN 213054623 U CN213054623 U CN 213054623U
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- round nut
- hole
- sleeve
- wrench
- tool according
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Abstract
The utility model provides a neck round nut tool, one end of a lengthening device is connected with a round nut wrench, and the other end of the lengthening device is provided with a torque wrench; the round nut wrench is at least provided with a lug which is arranged corresponding to an open slot of the excircle of the round nut; the torque wrench rotates the lengthening device to drive the round nut wrench to rotate, so that the round nut is screwed or unscrewed. The utility model discloses rational in infrastructure, can easily put into the neck work piece or take out from the neck work piece with a whole set of frock through eyebolt, go deep into the inside of neck work piece through elongated sleeve and round nut spanner, fasten round nut through outside torque wrench.
Description
Technical Field
The utility model belongs to the technical field of mechanical installation, in particular to neck round nut frock.
Background
The neck work piece of prior art is as shown in fig. 1, is provided with connecting seat 4 on the workstation 3, and connecting seat 4 is inside to be provided with connecting axle assembly 5, and the lower extreme spline locating pin 2 of connecting axle assembly 5 passes through nut 1 locking behind the hole of workstation 3, and the upper end of connecting axle assembly 5 exposes the part of graphite seal assembly 6 and is provided with round nut 8, and the top surface of graphite seal assembly 6 is provided with the several and winds the first bolt 7 of circumference equipartition, has following technical defect: because the connecting seat inner space is long and narrow, after the graphite seal assembly and the connecting shaft assembly are installed, the common torque wrench can not go deep into the connecting seat to fasten the round nut.
How to design a neck round nut frock, how to fasten round nut in the inside of neck work piece becomes the problem that needs to solve urgently.
SUMMERY OF THE UTILITY MODEL
In view of the above prior art's shortcoming, the utility model aims to provide a neck round nut frock for solve exist among the prior art because the connecting seat inner space is long and narrow, after having installed graphite seal assembly and connecting axle assembly, ordinary torque wrench can not go deep into the inside fastening round nut's of connecting seat problem.
In order to achieve the purpose, the utility model provides a neck round nut tool, which comprises an extension device, wherein one end of the extension device is connected with a round nut wrench, and the other end of the extension device is provided with a torque wrench;
the round nut wrench is at least provided with a lug which is arranged corresponding to an open slot of the excircle of the round nut;
the torque wrench rotates the lengthening device to drive the round nut wrench to rotate, so that the round nut is screwed or unscrewed.
In an embodiment of the present invention, the lengthening device is a sleeve, and the axis of the sleeve is provided with a first central hole;
by adopting the technical scheme: and avoiding the shaft at the upper end of the connecting shaft assembly through the first center hole.
In an embodiment of the present invention, the sleeve is a three-section stepped shaft, the small end of the three-section stepped shaft is away from the round nut wrench, and the axle center of the small end is provided with the first threaded hole.
In one embodiment of the utility model, the small end of the sleeve is of an outer hexagonal structure,
by adopting the technical scheme: the torque wrench can drive the sleeve to rotate when driving the outer hexagonal structure to rotate;
a lifting bolt is arranged in the first threaded hole;
by adopting the technical scheme: the whole set of tool can be easily put into or taken out of a neck workpiece through the lifting bolt.
In an embodiment of the present invention, the small end of the sleeve is shaped like an optical axis, and the outer circle of the optical axis is provided with a first through hole; a hexagon bolt is arranged in the first threaded hole, a second through hole is formed in the thread section of the hexagon bolt, the second through hole can be arranged corresponding to the first through hole after the hexagon bolt rotates, a pin shaft is arranged in the first through hole, the pin shaft penetrates through the second through hole, is exposed out of the sleeve and then is fixed through a split pin, and a torque wrench applies force to the bolt head of the hexagon bolt to drive the sleeve to rotate;
by adopting the technical scheme: after the hexagon bolt is screwed with the first threaded hole, the hexagon bolt and the sleeve are locked through the pin shaft and the cotter pin, and the torque wrench can drive the sleeve to rotate when driving the hexagon bolt to rotate.
In an embodiment of the utility model, the sleeve main aspects be first flange, first flange is close to the one end of round nut spanner, is provided with the third through-hole that the several wound the circumference equipartition on the first flange, is provided with the second bolt in the third through-hole.
In an embodiment of the present invention, the round nut wrench has two stepped shafts, and the axle center of the two stepped shafts is provided with the second center hole.
In an embodiment of the present invention, the large ends of the two sections of stepped shafts are second flanges, the second flanges are provided with a plurality of second threaded holes uniformly distributed around the circumference, and the second threaded holes are arranged in one-to-one correspondence with the third through holes of the first flanges;
by adopting the technical scheme: and the second bolt penetrates through the third through hole of the first flange and is screwed with the second threaded hole of the second flange, so that the assembly of the round nut wrench and the sleeve is completed.
In an embodiment of the present invention, two bumps are disposed on the inner wall of the second central hole corresponding to the small ends of the two sections of stepped shafts.
In an embodiment of the present invention, an included angle between the two bumps is 180 degrees;
by adopting the technical scheme: the two lugs with the included angle of 180 degrees on the round nut wrench are clamped into the two open grooves with the included angle of 180 degrees of the excircle of the round nut, so that the round nut can be conveniently driven to rotate.
As above, the utility model provides a neck round nut frock, rational in infrastructure can easily put into the neck work piece or take out from the neck work piece with a whole set of frock through eyebolt, goes deep into the inside of neck work piece through elongated sleeve and round nut spanner, and through outside torque wrench fastening round nut, popularization and application have good economic benefits and social.
Drawings
Fig. 1 is a schematic diagram of an internal structure of a neck workpiece in the prior art.
Fig. 2 is an installation three-dimensional diagram of the first embodiment of the present invention.
Fig. 3 is an installation three-dimensional diagram of the second embodiment of the present invention.
Fig. 4 is a three-dimensional view of a second embodiment of the present invention.
Fig. 5 is a front view of fig. 4.
Fig. 6 is a sectional view taken along line a-a of fig. 5.
Fig. 7 is an exploded view of the second embodiment of the present invention.
In the figure: 1. a nut; 2. spline positioning pins; 3. a work table; 4. a connecting seat; 5. assembling a connecting shaft; 6. sealing and final assembly of graphite; 7. a first bolt; 8. a round nut; 9. a round nut wrench; 10. a second bolt; 11. a sleeve; 12. a torque wrench; 13. a hexagon bolt.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
Please refer to fig. 1 to 7. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
The first embodiment of the utility model provides a neck round nut tool,
as shown in fig. 2, the device comprises a lengthening device, wherein one end of the lengthening device is connected with a round nut wrench 9, and the other end of the lengthening device is provided with a torque wrench 12;
the round nut wrench 9 is provided with at least one convex block which is arranged corresponding to the open slot of the excircle of the round nut 8;
the lengthening device is rotated by the torque wrench 12 to drive the round nut wrench 9 to rotate, so that the round nut 8 is screwed or unscrewed;
the lengthening device adopts a sleeve 11, and a first central hole is formed in the axis of the sleeve 11; by adopting the technical scheme: avoiding a shaft at the upper end of the connecting shaft assembly through the first central hole;
the sleeve 11 is a three-section stepped shaft, the small end of the three-section stepped shaft is far away from the round nut wrench 9, and a first threaded hole is formed in the axis of the small end.
The small end of the sleeve 11 is of an outer hexagonal structure, and the technical scheme is that: the torque wrench can drive the sleeve to rotate when driving the outer hexagonal structure to rotate;
a lifting bolt is arranged in the first threaded hole; by adopting the technical scheme: the whole set of tool can be easily put into or taken out of a neck workpiece through the lifting ring screw;
embodiment two, the sleeve tip appearance is the optical axis:
as shown in fig. 4, the small end of the sleeve 11 has an optical axis, and a first through hole is formed in an outer circle of the optical axis;
as shown in fig. 3, a hexagon bolt 13 is arranged in the first threaded hole, a second through hole is arranged on a threaded section of the hexagon bolt 13, the second through hole can be arranged corresponding to the first through hole after the hexagon bolt 13 rotates, a pin shaft is arranged in the first through hole, the pin shaft passes through the second through hole, is exposed out of the sleeve 11 and then is fixed through a split pin, and the torque wrench 12 applies force to the bolt head of the hexagon bolt 13 to drive the sleeve 11 to rotate;
by adopting the technical scheme: after the hexagon bolt is screwed with the first threaded hole, the hexagon bolt and the sleeve are locked through the pin shaft and the cotter pin, and the torque wrench can drive the sleeve to rotate when driving the hexagon bolt to rotate;
as shown in fig. 5, the large end of the sleeve 11 is a first flange, the first flange is close to one end of the round nut wrench 9, the first flange is provided with a plurality of third through holes uniformly distributed around the circumference, and second bolts 10 are arranged in the third through holes;
as shown in fig. 6, a tapered transition section is provided between the first flange and the middle section of the sleeve 11;
the round nut wrench 9 is provided with two sections of stepped shafts, and the axes of the two sections of stepped shafts are provided with second central holes;
the large ends of the two sections of stepped shafts are provided with second flanges, a plurality of second threaded holes which are uniformly distributed around the circumference are formed in the second flanges, and the second threaded holes and third through holes of the first flange are arranged in a one-to-one correspondence manner;
by adopting the technical scheme: the second bolt penetrates through the third through hole of the first flange and is screwed with the second threaded hole of the second flange, so that the assembly of the round nut wrench and the sleeve is completed;
at least one lug is arranged on the inner wall of the second central hole corresponding to the small ends of the two sections of stepped shafts.
In the third embodiment, two convex blocks are arranged on the inner wall of the second central hole corresponding to the small ends of the two sections of stepped shafts;
as shown in fig. 7, the included angle between the two bumps is 180 °; by adopting the technical scheme: the two lugs with the included angle of 180 degrees on the round nut wrench are clamped into the two open grooves with the included angle of 180 degrees of the excircle of the round nut, so that the round nut can be conveniently driven to rotate.
In the fourth embodiment, three convex blocks are arranged on the inner wall of the second central hole corresponding to the small ends of the two stepped shafts, the three convex blocks are uniformly distributed on a circle with an included angle of 270 degrees, and the three convex blocks are clamped into three continuous open grooves with included angles of 90 degrees of the excircle of the round nut.
In the fifth embodiment, four convex blocks are arranged on the inner wall of the second central hole corresponding to the small ends of the two sections of stepped shafts, the four convex blocks are uniformly distributed on a circle, and the four convex blocks are clamped into four open grooves uniformly distributed around the circumference of the excircle of the round nut.
In the sixth embodiment, the size of the projection of the round nut wrench 9 can be designed into wrenches of various specifications according to round nuts of various specifications, and the wrenches of various specifications are assembled with the sleeve 11 respectively, so that the round nuts of various specifications are assembled.
When the concrete implementation, the utility model discloses also can be used for the round nut assembly under the conventional condition.
To sum up, the utility model provides a neck round nut frock, rational in infrastructure can easily put into the neck work piece or take out from the neck work piece with a whole set of frock through eyebolt, goes deep into the inside of neck work piece through elongated sleeve and round nut spanner, through outside torque wrench fastening round nut. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. The utility model provides a neck round nut frock, includes extension fixture, its characterized in that: one end of the lengthening device is connected with a round nut wrench (9), and the other end of the lengthening device is provided with a torque wrench (12);
the round nut wrench (9) is at least provided with a lug which is arranged corresponding to an open slot of the excircle of the round nut (8);
the torque wrench (12) rotates the lengthening device to drive the round nut wrench (9) to rotate, so that the round nut (8) is screwed or unscrewed.
2. The neck round nut tool according to claim 1, characterized in that: the lengthening device adopts a sleeve (11), and a first central hole is formed in the axis of the sleeve (11).
3. The neck round nut tool according to claim 2, characterized in that: the sleeve (11) is a three-section stepped shaft, the small end of the three-section stepped shaft is far away from the round nut wrench (9), and a first threaded hole is formed in the axis of the small end.
4. The neck round nut tool according to claim 3, characterized in that: the small end of the sleeve (11) is of an outer hexagonal structure, and a lifting bolt is arranged in the first threaded hole.
5. The neck round nut tool according to claim 3, characterized in that: the appearance of the small end of the sleeve (11) is an optical axis, and a first through hole is formed in the excircle of the optical axis; be provided with hexagon bolt (13) in the first screw hole, be provided with the second through-hole on the screw thread section of hexagon bolt (13), the second through-hole can correspond with first through-hole after hexagon bolt (13) is rotatory and arrange, is provided with the round pin axle in the first through-hole, and it is fixed through the split pin after exposing sleeve (11) behind the round pin axle passing the second through-hole, and torque wrench (12) exert force to the bolt head of hexagon bolt (13) and can drive sleeve (11) rotatory.
6. The neck round nut tool according to claim 5, characterized in that: the big end of the sleeve (11) is provided with a first flange, one end of the first flange, which is close to the round nut wrench (9), is provided with a plurality of third through holes which are uniformly distributed around the circumference, and second bolts (10) are arranged in the third through holes.
7. The neck round nut tool according to claim 6, characterized in that: the round nut wrench (9) is provided with two sections of stepped shafts, and second center holes are formed in the axes of the two sections of stepped shafts.
8. The neck round nut tool according to claim 7, characterized in that: the large ends of the two sections of stepped shafts are provided with second flanges, a plurality of second threaded holes are uniformly distributed around the circumference of each second flange, and the second threaded holes are arranged in one-to-one correspondence with the third through holes of the first flanges.
9. The neck round nut tool according to claim 8, characterized in that: two convex blocks are arranged on the inner wall of the second central hole corresponding to the small ends of the two sections of stepped shafts.
10. The neck round nut tool according to claim 9, characterized in that: the included angle between the two convex blocks is 180 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021075683.4U CN213054623U (en) | 2020-06-12 | 2020-06-12 | Neck round nut tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021075683.4U CN213054623U (en) | 2020-06-12 | 2020-06-12 | Neck round nut tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213054623U true CN213054623U (en) | 2021-04-27 |
Family
ID=75566851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021075683.4U Active CN213054623U (en) | 2020-06-12 | 2020-06-12 | Neck round nut tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213054623U (en) |
-
2020
- 2020-06-12 CN CN202021075683.4U patent/CN213054623U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |